Click on column header to sort on the field| # | Water Year | Observed Date | Index | Stage | Discharge | Designation |
| 1 | 1951 | 1951-02-10 | -0.60 | 8.54 | 3870 | La Nina |
| 2 | 1952 | 1952-06-04 | 1.04 | 7.02 | 2580 | El Nino |
| 3 | 1953 | 1953-09-28 | 0.04 | 7.14 | 2690 | Neutral |
| 4 | 1954 | 1954-08-23 | 0.84 | 7.48 | 2850 | El Nino |
| 5 | 1955 | 1955-06-16 | -0.73 | 7.79 | 3160 | La Nina |
| 6 | 1956 | 1955-10-25 | -1.67 | 12.68 | 10800 | La Nina |
| 7 | 1957 | 1957-06-11 | -0.43 | 7.38 | 2790 | Neutral |
| 8 | 1958 | 1957-10-30 | 1.53 | 8.57 | 4060 | El Nino |
| 9 | 1959 | 1958-12-02 | 0.50 | 9.09 | 4730 | Neutral |
| 10 | 1960 | 1959-11-23 | 0.05 | 9.91 | 5880 | Neutral |
| 11 | 1961 | 1961-06-17 | 0.12 | 8.45 | 3960 | Neutral |
| 12 | 1962 | 1962-06-25 | -0.19 | 6.79 | 2280 | Neutral |
| 13 | 1963 | 1962-11-20 | -0.31 | 12.09 | 9610 | Neutral |
| 14 | 1964 | 1963-10-22 | 1.37 | 11.49 | 8490 | El Nino |
| 15 | 1965 | 1965-08-13 | -0.82 | 6.75 | 2170 | La Nina |
| 16 | 1966 | 1966-06-28 | 1.97 | 6.79 | 2200 | El Nino |
| 17 | 1967 | 1967-06-21 | -0.18 | 8.20 | 3620 | Neutral |
| 18 | 1968 | 1968-06-02 | -0.34 | 10.00 | 6020 | Neutral |
| 19 | 1969 | 1969-06-04 | 0.73 | 7.33 | 2700 | El Nino |
| 20 | 1970 | 1970-06-03 | 0.81 | 7.82 | 3200 | El Nino |
| 21 | 1971 | 1971-07-19 | -0.86 | 7.88 | 3270 | La Nina |
| 22 | 1972 | 1972-07-12 | -0.96 | 9.71 | 5580 | La Nina |
| 23 | 1973 | 1973-06-23 | 2.09 | 6.93 | 2330 | El Nino |
| 24 | 1974 | 1974-06-20 | -1.95 | 7.79 | 3170 | La Nina |
| 25 | 1975 | 1975-07-10 | -0.75 | 8.72 | 4250 | La Nina |
| 26 | 1976 | 1975-12-04 | -1.55 | 9.16 | 4820 | La Nina |
| 27 | 1977 | 1977-01-18 | 0.86 | 7.74 | 3110 | El Nino |
| 28 | 1978 | 1978-06-05 | 0.81 | 7.29 | 2660 | El Nino |
| 29 | 1979 | 1978-11-07 | -0.08 | 9.39 | 5140 | Neutral |
| 30 | 1980 | 1979-12-18 | 0.52 | 10.99 | 7610 | El Nino |
| 31 | 1981 | 1980-12-26 | 0.11 | 14.50 | 14500 | Neutral |
| 32 | 1982 | 1982-06-20 | -0.15 | 8.34 | 3790 | Neutral |
| 33 | 1983 | 1983-07-13 | 2.18 | 10.26 | 6420 | El Nino |
| 34 | 1984 | 1984-01-04 | -1.00 | 11.98 | 9400 | La Nina |
| 35 | 1985 | 1985-06-07 | -0.92 | 7.35 | 2840 | La Nina |
| 36 | 1986 | 1986-05-30 | -0.27 | 7.81 | 3280 | Neutral |
| 37 | 1987 | 1987-05-12 | 1.14 | 9.88 | 5840 | El Nino |
| 38 | 1988 | 1988-05-13 | 1.25 | 7.59 | 2970 | El Nino |
| 39 | 1989 | 1988-10-16 | -1.80 | 11.78 | 9030 | La Nina |
| 40 | 1990 | 1989-12-04 | -0.16 | 11.01 | 7650 | Neutral |
| 41 | 1991 | 1990-11-10 | 0.40 | 11.53 | 8570 | Neutral |
| 42 | 1992 | 1992-01-31 | 1.21 | 8.37 | 3830 | El Nino |
| 43 | 1993 | 1993-05-11 | -0.28 | 7.93 | 3320 | Neutral |
| 44 | 1994 | 1994-06-25 | 0.04 | 6.42 | 1930 | Neutral |
| 45 | 1995 | 1995-07-26 | 1.01 | 7.43 | 2990 | El Nino |
| 46 | 1996 | 1995-11-29 | -1.00 | 12.76 | 10900 | La Nina |
| 47 | 1997 | 1997-07-09 | -0.45 | 10.07 | 6130 | Neutral |
| 48 | 1998 | 1997-10-04 | 2.40 | 6.81 | 2230 | El Nino |
| 49 | 1999 | 1999-06-16 | -1.48 | 8.04 | 3580 | La Nina |
| 50 | 2000 | 1999-11-12 | -1.46 | 12.34 | 10100 | La Nina |
| 51 | 2001 | 2001-05-23 | -0.75 | 7.29 | 2870 | La Nina |
| 52 | 2002 | 2002-01-08 | -0.35 | 9.70 | 5760 | Neutral |
| 53 | 2003 | 2003-01-26 | 1.31 | 8.52 | 3890 | El Nino |
| 54 | 2004 | 2003-10-20 | 0.35 | 15.90 | 17800 | Neutral |
| 55 | 2005 | 2005-01-19 | 0.66 | 10.87 | 7520 | El Nino |
| 56 | 2006 | 2006-05-18 | -0.57 | 8.93 | 3280 | La Nina |
| 57 | 2007 | 2006-11-06 | 0.94 | 13.73 | 10600 | El Nino |
| 58 | 2008 | 2008-05-18 | -1.50 | 9.36 | 3400 | La Nina |
| 59 | 2009 | 2008-11-12 | -0.55 | 10.44 | 4770 | La Nina |
| 60 | 2010 | 2009-10-31 | 1.36 | 9.02 | 3020 | El Nino |
| 61 | 2011 | 2010-10-10 | -1.64 | 10.16 | 4390 | La Nina |
| 62 | 2012 | 2012-07-10 | -1.09 | 9.09 | 3100 | La Nina |
| 63 | 2013 | 2013-09-06 | 0.05 | 9.67 | 3640 | Neutral |
| 64 | 2014 | 2014-07-19 | -0.17 | 9.59 | 3670 | Neutral |
| 65 | 2015 | 2014-11-28 | 0.64 | 9.93 | 4090 | El Nino |
| 66 | 2016 | 2015-10-31 | 2.57 | 10.59 | 4940 | El Nino |
| 67 | 2018 | 2017-10-08 | -0.84 | 10.91 | 5400 | La Nina |
| 68 | 2019 | 2018-11-02 | 0.90 | 10.84 | 5340 | El Nino |
